| | """fontTools.misc.timeTools.py -- tools for working with OpenType timestamps. |
| | """ |
| |
|
| | import os |
| | import time |
| | from datetime import datetime, timezone |
| | import calendar |
| |
|
| |
|
| | epoch_diff = calendar.timegm((1904, 1, 1, 0, 0, 0, 0, 0, 0)) |
| |
|
| | DAYNAMES = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"] |
| | MONTHNAMES = [ |
| | None, |
| | "Jan", |
| | "Feb", |
| | "Mar", |
| | "Apr", |
| | "May", |
| | "Jun", |
| | "Jul", |
| | "Aug", |
| | "Sep", |
| | "Oct", |
| | "Nov", |
| | "Dec", |
| | ] |
| |
|
| |
|
| | def asctime(t=None): |
| | """ |
| | Convert a tuple or struct_time representing a time as returned by gmtime() |
| | or localtime() to a 24-character string of the following form: |
| | |
| | >>> asctime(time.gmtime(0)) |
| | 'Thu Jan 1 00:00:00 1970' |
| | |
| | If t is not provided, the current time as returned by localtime() is used. |
| | Locale information is not used by asctime(). |
| | |
| | This is meant to normalise the output of the built-in time.asctime() across |
| | different platforms and Python versions. |
| | In Python 3.x, the day of the month is right-justified, whereas on Windows |
| | Python 2.7 it is padded with zeros. |
| | |
| | See https://github.com/fonttools/fonttools/issues/455 |
| | """ |
| | if t is None: |
| | t = time.localtime() |
| | s = "%s %s %2s %s" % ( |
| | DAYNAMES[t.tm_wday], |
| | MONTHNAMES[t.tm_mon], |
| | t.tm_mday, |
| | time.strftime("%H:%M:%S %Y", t), |
| | ) |
| | return s |
| |
|
| |
|
| | def timestampToString(value): |
| | return asctime(time.gmtime(max(0, value + epoch_diff))) |
| |
|
| |
|
| | def timestampFromString(value): |
| | wkday, mnth = value[:7].split() |
| | t = datetime.strptime(value[7:], " %d %H:%M:%S %Y") |
| | t = t.replace(month=MONTHNAMES.index(mnth), tzinfo=timezone.utc) |
| | wkday_idx = DAYNAMES.index(wkday) |
| | assert t.weekday() == wkday_idx, '"' + value + '" has inconsistent weekday' |
| | return int(t.timestamp()) - epoch_diff |
| |
|
| |
|
| | def timestampNow(): |
| | |
| | source_date_epoch = os.environ.get("SOURCE_DATE_EPOCH") |
| | if source_date_epoch is not None: |
| | return int(source_date_epoch) - epoch_diff |
| | return int(time.time() - epoch_diff) |
| |
|
| |
|
| | def timestampSinceEpoch(value): |
| | return int(value - epoch_diff) |
| |
|
| |
|
| | if __name__ == "__main__": |
| | import sys |
| | import doctest |
| |
|
| | sys.exit(doctest.testmod().failed) |
| |
|
